Home / 2,989,361,010.30-4,484,041,515.45-2,972,142,321.90

Finding the Fourth Proportional to 2,989,361,010.30, 4,484,041,515.45 and 2,972,142,321.90

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Solution

The fourth proportional to 2,989,361,010.30, 4,484,041,515.45 and 2,972,142,321.90 is: 4,458,213,482.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,989,361,010.30 : 4,484,041,515.45 = 2,972,142,321.90 : x
  2. Step 2: Convert to fraction form
    2,989,361,010.30/4,484,041,515.45 = 2,972,142,321.90/x
  3. Step 3: Cross multiply
    2,989,361,010.30x = 4,484,041,515.45 × 2,972,142,321.90
  4. Step 4: Simplify right side
    2,989,361,010.30x = 13,327,209,561,225,558,016
  5. Step 5: Solve for x
    x = 13,327,209,561,225,558,016/2,989,361,010.30
  6. Step 6: Final answer
    x = 4,458,213,482.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.